man-in-the-barrel syndrome, a symmetrical proximal brachial amyotrophic diplegia related to motor neuron diseases: a survey of nine cases síndrome do homem no barril, uma diplegia amiotrófica braquial proximal simétrica relacionada a doença do neurônio motor: a propósito de nove casos

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ID: 214597
2009
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Abstract
OBJECTIVE: To report on 9 patients presenting with sporadic motor neuron disease , who over a long period of time evolved with a symmetrical proximal brachial amyotrophic diplegia. METHODS: Nine patients were followed-up who , displayed, since onset, a progressive limitation of arm flexion/abduction resulting in a peculiar posture with both hands hanging loosely beside the trunk. Electrophysiological test results were consistent with lower motor neuron disease. Cervical MRI was performed in all patients. RESULTS: Nine male subjects with ages ranging from 38 to 73 years at onset of symptoms, developed bilateral and symmetric paresis and atrophy of upper limb muscles. Proximal muscles were more involved than the distal groups. In most patients tendon reflexes were absent or hypoactive in the upper limbs. Needle electromyography (EMG) revealed positive sharp waves and fibrillations and high amplitude polyphasic potentials with an incomplete recruitment pattern in most upper limb muscles. EMG of lower limb muscles was normal in some cases while abnormal in others. MRC did not disclose cervical spinal cord abnormalities from C5-T1. CONCLUSION: Attention is called to the Man-in-the-Barrel syndrome in some motor neuron diseases, especially in patients with progressive spinal atrophy and amyotrophic lateral sclerosis.
OBJETIVO: Relatar nove pacientes com a doença do neurônio de motor esporádica que apresentam progressiva e simétrica diplegia braquial amiotrófica. MÉTODOS: Acompanhamos nove pacientes que exibiram, desde o começo, uma limitação progressiva de flexão/abdução do membro superior resultando em uma postura peculiar com ambas as mãos pendentes ao longo do tronco. Os resultados dos testes eletrofisiológicos foram consistentes com achados de doença do neurônio motor inferior. Ressonância magnética (RM) cervical foi realizada em todos pacientes. RESULTADOS: Nove pacientes do sexo masculino com idades entre 38-73 anos no início dos sintomas desenvolveram paresia e a atrofia bilateral simétrica dos músculos dos membros superiores. Os músculos proximais foram mais comprometidos do que os distais. Os reflexos tendíneos dos membros superiores encontravam-se abolidos ou hipoativos na maioria dos pacientes. A eletromiografia (EMG) revelou ondas positivas, fibrilações e potenciais polifásicos de alta amplitude com padrão incompleto de recrutamento na maioria dos músculos dos membros superiores. A EMG dos membros inferiores foi normal em alguns casos e anormal em outros. A RM não evidenciou anormalidades da medula espinhal cervical de C5-T1. CONCLUSÃO: Atentamos para a síndrome do homem do Barril em algumas doenças do neurônio de motor, especialmente na atrofia espinhal progressiva e esclerose lateral amiotrófica.
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orsini2009revistaman-in-the-barrel Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Marco Orsini, Antonio Marcos da Silva Catharino, Fernanda Martins Coelho Catharino, Mariana Pimentel Mello, Marcos Rg de Freitas, Marco Antônio Araújo Leite, Osvaldo J M Nascimento
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Journal acta crystallographica section e
Year 2009
DOI
10.1590/S0104-42302009000600016
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-42302009000600016
Keywords
amyotrophic lateral sclerosismedicine (general)

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